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MIPS: Alchemy: platform: use clk framework for uarts

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Use the clock framework to get the rate of the peripheral clock.
Remove the now obsolete get_uart_baud_base function.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/7468/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss
2014-07-23 16:36:49 +02:00
committed by Ralf Baechle
parent 474402291a
commit 5a2fb71e73
3 changed files with 12 additions and 22 deletions
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13
arch/mips/alchemy/common/platform.c
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@@ -11,6 +11,7 @@
* warranty of any kind, whether express or implied.
*/
#include <linux/clk.h>
#include <linux/dma-mapping.h>
#include <linux/etherdevice.h>
#include <linux/init.h>
@@ -99,10 +100,20 @@ static struct platform_device au1xx0_uart_device = {
static void __init alchemy_setup_uarts(int ctype)
{
unsigned int uartclk = get_au1x00_uart_baud_base() * 16;
long uartclk;
int s = sizeof(struct plat_serial8250_port);
int c = alchemy_get_uarts(ctype);
struct plat_serial8250_port *ports;
struct clk *clk = clk_get(NULL, ALCHEMY_PERIPH_CLK);
if (IS_ERR(clk))
return;
if (clk_prepare_enable(clk)) {
clk_put(clk);
return;
}
uartclk = clk_get_rate(clk);
clk_put(clk);
ports = kzalloc(s * (c + 1), GFP_KERNEL);
if (!ports) {